Test #1

test01.py

import argparse

parser = argparse.ArgumentParser(description="Sum two non-negative integers")
parser.add_argument("a", type=int, help="first non-negative integer")
parser.add_argument("b", type=int, help="second non-negative integer")

args = parser.parse_args()

if __name__ == "__main__":
    a:int = args.a
    b:int = args.b

    if (a < 0) or (b < 0):
        parser.print_help()
        exit(1)

    sum:int = a + b
    print(sum)